Iago, a bitter soldier, conspires to disrupt many lives in Cyprus by spreading rumors of an affair between Othello's wife Desdemona and Cassio. Iago deceives Othello into believing he overheard Cassio speaking of a sexual encounter with Desdemona, though it was not truly her. Enraged, Othello murders Desdemona, only to discover later that Iago fabricated the entire plot out of jealousy for Othello.